Files
wxWidgets/src/generic/helpext.cpp
Ove Kaaven 87138c520c All files compile in Unicode mode, but I have only converted things near
points of compiler warnings/errors, they have not been exhaustively
reviewed.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2201 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
1999-04-16 14:19:32 +00:00

91 lines
2.7 KiB
C++

/*-*- c++ -*-********************************************************
* helpext.cpp - an external help controller for wxWindows *
* *
* (C) 1999 by Karsten Ballüder (Ballueder@usa.net) *
* *
* $Id$
*******************************************************************/
#ifdef __GNUG__
# pragma implementation "wxexthlp.h"
#endif
#include "wx/setup.h"
#include "wx/helpbase.h"
#include "wx/generic/helpext.h"
#include "wx/string.h"
#include "wx/utils.h"
#include "wx/list.h"
#include <stdio.h>
#include <ctype.h>
#include <sys/stat.h>
#include <unistd.h>
IMPLEMENT_CLASS(wxExtHelpController, wxHTMLHelpControllerBase)
/**
This class implements help via an external browser.
It requires the name of a directory containing the documentation
and a file mapping numerical Section numbers to relative URLS.
*/
wxExtHelpController::wxExtHelpController(void)
{
m_BrowserName = WXEXTHELP_DEFAULTBROWSER;
m_BrowserIsNetscape = WXEXTHELP_DEFAULTBROWSER_IS_NETSCAPE;
char *browser = getenv(WXEXTHELP_ENVVAR_BROWSER);
if(browser)
{
m_BrowserName = browser;
browser = getenv(WXEXTHELP_ENVVAR_BROWSERISNETSCAPE);
m_BrowserIsNetscape = browser && (atoi(browser) != 0);
}
}
void
wxExtHelpController::SetBrowser(wxString const & browsername, bool isNetscape)
{
m_BrowserName = browsername;
m_BrowserIsNetscape = isNetscape;
}
// Set viewer: new, generic name for SetBrowser
void wxExtHelpController::SetViewer(const wxString& viewer, long flags)
{
SetBrowser(viewer, ((flags & wxHELP_NETSCAPE) == wxHELP_NETSCAPE));
}
bool
wxExtHelpController::DisplayHelp(wxString const &relativeURL)
{
wxBusyCursor b; // display a busy cursor
wxString command;
if(m_BrowserIsNetscape) // try re-loading first
{
wxString lockfile;
wxGetHomeDir(&lockfile);
lockfile << WXEXTHELP_SEPARATOR << _T(".netscape/lock");
struct stat statbuf;
if(lstat(lockfile.fn_str(), &statbuf) == 0)
// cannot use wxFileExists, because it's a link pointing to a
// non-existing location if(wxFileExists(lockfile))
{
long success;
command << m_BrowserName << _T(" -remote openURL(")
<< _T("file://") << m_MapFile
<< WXEXTHELP_SEPARATOR << relativeURL << _T(")");
success = wxExecute(command);
if(success != 0 ) // returns PID on success
return TRUE;
}
}
command = m_BrowserName;
command << _T(" file://")
<< m_MapFile << WXEXTHELP_SEPARATOR << relativeURL;
return wxExecute(command) != 0;
}